zhm · January 4, 2016 02:09
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <meta charset="utf-8">
 <title>Non-Contiguous Cartogram</title>
 <style>

 .land {
  fill: #fff;
  stroke: #ccc;
 }

 .state {
  fill: #ccc;
  stroke: #666;
 }

 </style>
 <body>
 <script src="http://d3js.org/d3.v3.min.js"></script>
 <script src="http://d3js.org/topojson.v1.min.js"></script>
 <script>

 var valueById = [7, 6, 14, 7, 8, 10, 8, 11, 8, 20, 30, 7, 7, 4, 6, 5, 8, 7, 4, 6, 8, 9, 5, 16, 8, 13, 8, 9, 11, 8, 7, 8, 6, 13, 10, 10, 8, 14, 12, 24, 4, 8, 6, 5, 12, 11, 12, 14, 12, 9, 5, 4, 7, 14, 8, 10, 13, 9, 7];
 console.log(valueById);
 var path = d3.geo.path();

 var svg = d3.select("body").append("svg")
    .attr("width", 960)
    .attr("height", 500);

 d3.json("/d/4090846/us.json", function(error, us) {
  console.log(us);
  
  svg.append("path")
      .datum(topojson.feature(us, us.objects.land))
      .attr("class", "land")
      .attr("d", path);

  svg.selectAll(".state")
      .data(topojson.feature(us, us.objects.states).features)
    .enter().append("path")
      .attr("class", "state")
      .attr("d", path)
      .attr("transform", function(d) {
        var centroid = path.centroid(d),
            x = centroid[0],
            y = centroid[1];
        return "translate(" + x + "," + y + ")"
            + "scale(" + (valueById[d.id] || 0) + ")"
            + "translate(" + -x + "," + -y + ")";
      })
      .style("stroke-width", function(d) {
        return 1 / Math.sqrt(valueById[d.id] * 5 || 1);
      });
 });
	<!DOCTYPE html>
	<meta charset="utf-8">
	<title>Non-Contiguous Cartogram</title>
	<style>

	.land {
	fill: #fff;
	stroke: #ccc;
	}

	.state {
	fill: #ccc;
	stroke: #666;
	}

	</style>
	<body>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<script src="http://d3js.org/topojson.v1.min.js"></script>
	<script>

	var valueById = [7, 6, 14, 7, 8, 10, 8, 11, 8, 20, 30, 7, 7, 4, 6, 5, 8, 7, 4, 6, 8, 9, 5, 16, 8, 13, 8, 9, 11, 8, 7, 8, 6, 13, 10, 10, 8, 14, 12, 24, 4, 8, 6, 5, 12, 11, 12, 14, 12, 9, 5, 4, 7, 14, 8, 10, 13, 9, 7];
	console.log(valueById);
	var path = d3.geo.path();

	var svg = d3.select("body").append("svg")
	.attr("width", 960)
	.attr("height", 500);

	d3.json("/d/4090846/us.json", function(error, us) {
	console.log(us);

	svg.append("path")
	.datum(topojson.feature(us, us.objects.land))
	.attr("class", "land")
	.attr("d", path);

	svg.selectAll(".state")
	.data(topojson.feature(us, us.objects.states).features)
	.enter().append("path")
	.attr("class", "state")
	.attr("d", path)
	.attr("transform", function(d) {
	var centroid = path.centroid(d),
	x = centroid[0],
	y = centroid[1];
	return "translate(" + x + "," + y + ")"
	+ "scale(" + (valueById[d.id] \|\| 0) + ")"
	+ "translate(" + -x + "," + -y + ")";
	})
	.style("stroke-width", function(d) {
	return 1 / Math.sqrt(valueById[d.id] * 5 \|\| 1);
	});
	});